Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: BLTMMDCH45Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-509 A Washington Zone 14 (Baltimore LATA) MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
240-763 A Washington Zone 15 (Baltimore LATA) MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
301-973 A Washington Zone 14 (Baltimore LATA) MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-449 A Solomons MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-929 A Baltimore MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-776 A Elkridge MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-808 A Annapolis MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-892 A New Windsor MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-963 A Baltimore MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-971 A Taneytown MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-990 A Baltimore MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-268 A Darlington MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-803 A Solomons MD 071F BANDWIDTH.COM CLEC, LLC - MD 238      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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